Results 91 to 100 of about 9,482,123 (368)

Prior-Aware Synthetic Data to the Rescue: Animal Pose Estimation with Very Limited Real Data [PDF]

open access: yesarXiv, 2022
Accurately annotated image datasets are essential components for studying animal behaviors from their poses. Compared to the number of species we know and may exist, the existing labeled pose datasets cover only a small portion of them, while building comprehensive large-scale datasets is prohibitively expensive.
arxiv  

Animal Behavior: Timing in the Wild [PDF]

open access: yesCurrent Biology, 2006
A recent study has found that Rufous hummingbirds time the interval between successive visits to flowers that replenish at different rates. The hummingbirds have been shown to store information about both where and when they ate throughout the day, evidence that this species has two components of episodic memory.
openaire   +3 more sources

Brain Monoamine Asymmetry in Chicks Subjected to a Separation-Stress Procedure with Litter Substrate

open access: yesThe Journal of Poultry Science, 2015
Activation of the right hemispheric neurotransmitter systems is related to negative emotion and stress in mammals, but this relationship is not fully known in birds. The effect of the presence of sawdust litter on behavior and brain monoamine laterality
Takashi Bungo   +4 more
doaj   +1 more source

The dual nature of TDC – bridging dendritic and T cells in immunity

open access: yesFEBS Letters, EarlyView.
TDC are hematopoietic cells combining dendritic and T cell features. They reach secondary lymphoid organs (SLOs) and peripheral organs (liver and lungs) after FLT3‐dependent development in the bone marrow and maturation in the thymus. TDC are activated and enriched in SLOs upon viral infection, suggesting that they might play unique immune roles, since
Maria Nelli, Mirela Kuka
wiley   +1 more source

Time-Frequency Analysis Reveals Pairwise Interactions in Insect Swarms

open access: yes, 2015
The macroscopic emergent behavior of social animal groups is a classic example of dynamical self-organization, and is thought to arise from the local interactions between individuals. Determining these interactions from empirical data sets of real animal
Ni, Rui   +2 more
core   +1 more source

A theoretical framework for estimation of AUCs in complete and incomplete sampling designs. [PDF]

open access: yes, 2009
Nonclinical in vivo animal studies have to be completed before starting clinical studies of the pharmacokinetic behavior of a drug in humans. The drug exposure in animal studies is often measured by the area under the concentration versus time curve (AUC)
Jaki, Thomas, Wolfsegger, Martin J.
core   +1 more source

Behavioral Implications of the Complete Absence of Guests on a Zoo-Housed Gorilla Troop

open access: yesAnimals, 2021
Research conducted on the effects that zoo visitors have on primate behavior has yielded inconsistent patterns. This study aims to contribute to the growing body of literature regarding visitor effects on zoo-housed primate’s activity budgets, with the ...
Megan E. Miller   +2 more
doaj   +1 more source

FoxO1 signaling in B cell malignancies and its therapeutic targeting

open access: yesFEBS Letters, EarlyView.
FoxO1 has context‐specific tumor suppressor or oncogenic character in myeloid and B cell malignancies. This includes tumor‐promoting properties such as stemness maintenance and DNA damage tolerance in acute leukemias, or regulation of cell proliferation and survival, or migration in mature B cell malignancies.
Krystof Hlavac   +3 more
wiley   +1 more source

Metabolic scaling is governed by Murray's network in animals and by hydraulic conductance and photosynthesis in plants [PDF]

open access: yesarXiv, 2022
The prevailing theory for metabolic scaling is based on area-preserved, space-filling fractal vascular networks. However, it's known both theoretically and experimentally that animals' vascular systems obey Murray's cubic branching law. Area-preserved branching conflicts with energy minimization and hence the least-work principle.
arxiv  

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